"Was this entire mountain hollowed out?" Liuli exclaimed, staring into the bottomless abyss. She feared the unknown, yet felt a flicker of excitement.
"Let's go. We're heading down." Xiao Yan withdrew the Heavenly Flames protecting his body and smiled at Liuli.
"Gulp..." Liuli swallowed, clenched her delicate fists, and nodded solemnly.
The cave was shaped like an inverted funnel, narrow at the top and wide at the bottom. Yet even the narrowest entrance was over a hundred meters wide. Though the surrounding walls were battered and worn, traces of artificial excavation could still vaguely be seen. Every ten-odd zhang downward, rings of caves of varying sizes appeared in the rock walls, their destinations unknown.
Without the strange Black Lake Water blocking them, Xiao Yan and Liuli's Soul Power was no longer suppressed. They divided the work between them—Xiao Yan took the east side while Liuli took the west—and as they continued flying downward, they used their soul senses to search the caves for traces of Xiao Yi Xian.
Yet after searching for some time, they found nothing.
At the deepest points of those caves were only chunks of White Crystal of various sizes, radiating faint Space Power. The formations beneath them continuously absorbed that Space Power, gathering it deeper underground.
"These crystal formations seem to be sealing something?" Liuli speculated, holding a small piece she had just cut from a White Crystal.
After all, with a cave like this and a formation of such scale, in any fantasy novel, it was either sealing some inheritance or opportunity, or suppressing and imprisoning some hostile entity.
"It seems we'll have to reach the bottom to find Xiao Yi Xian." Xiao Yan looked into the abyss below, whose bottom was still out of sight, then turned to the girl. "Liuli, can you determine